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Boone County, Nebraska

USDA's soil survey flags shrink-swell clay on 2% of Boone County's mapped land and a shallow water table under basements on 5%, both below the national shares of 15% and 29%. None of the county is in drought on the October 13, 2026 Drought Monitor map.

FEMA's flood data list 7 flood losses here since 2016. 73% of homes were built before 1980, against 50% nationally; the median home dates from 1957.

Data as of October 13, 2026 · sources

2%

expansive clay: shrink-swell limits slab homes

5%

high water table: limits basements

0%

in drought, October 13, 2026

73%

of homes built before 1980

Soil under Boone County

Expansive clay (limits slab homes)2.3%
High water table (limits basements)4.5%
Septic fields very limited79.5%
Clay swell (LEP, by area)3.6%
High-swell land (LEP 6%+)2.2%
Mapped soil439,943 acres
Soil seriesShare hereSeries nationally: expansive clay
Nora variant26%n/a
Crofton13%n/a
Nora9%n/a
Moody7%2%
Valentine7%0%
Hobbs6%n/a
Nance County: 6%Greeley County: 0%Wheeler County: 0%Madison County: 7%Platte County: 11%Antelope County: 1%Merrick County: 3%Howard County: 2%Boone County NanceGreeleyWheelerMadisonPlatteAntelopeMerrickHowardBoone
Boone County (heavy outline) and nearby counties, shaded by expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas NE011 (2025-09-03)

What the numbers mean here

Rain over the 12 months to August 2026: 23.17 in, 3.95 in below the 1991-2020 average year of 27.12 in.

USDA rates 80% of the land very limited for septic absorption fields.

With shrink-swell clay on 2% and a shallow water table on 5% of the land, the soil survey points to neither problem across most of Boone County; conditions still vary lot by lot.

Drought

0% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 46 of the last 52 weeks; the most was 100% of its area, in 27 weeks, most recently on the August 18, 2026 map.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026
Category, October 13, 2026Share of county
D0 abnormally dry or worse42.2%
D1 moderate drought or worse0%
D2 severe or worse0%
D3 extreme or worse0%
D4 exceptional0%

Flood losses since 2016

7 flood losses since 2016, $103,294 paid. The worst year was 2019, with 6.

YearFlood losses
20160
20170
20180
20196
20200
20210
20221
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202027.12 in
12 months to August 202623.17 in (-3.95)
202531.66 in (+4.54)
Wettest year since 18952007: 38.89 in
Driest year since 18951936: 13.91 in
Days with 1 inch or more, normal at ALBION (3 mi away)6.4

Homes

Housing units2,555
Median year built1957
Built before 198073%
Built 2000 or later12%
Owner-occupied82%
Median value, owner-occupied$173,700
Single-family detached90%

What repairs cost

Published ranges from cost guides, not quotes. More sources, and where they disagree.

WorkRangeSource
Foundation repair, US $2,200 to $8,200 Fixr, January 27, 2026
Pier-and-beam repair, US $2,000 to $15,000 Fixr, January 27, 2026
Foundation inspection, US $300 to $600 Fixr, January 31, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
Nance County, NE 21 mi 6% 14%
Greeley County, NE 26 mi under 1% 4%
Wheeler County, NE 28 mi 0% 31%
Madison County, NE 28 mi 7% 15%
Platte County, NE 30 mi 11% 13%
Antelope County, NE 33 mi 1% 8%
Merrick County, NE 37 mi 3% 53%
Howard County, NE 41 mi 2% 14%

Sources: USDA SSURGO (September 3, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status